... device,
2
Chapter 15: WAN Introduction
CertPrs8 / CCNA Cisco Certified Network Associate Study Guide / Deal / 222934-9 / Chapter 15
The most important factor
in choosing a WAN service is cost.
It ... layers are up and that the
encapsulation is set to HDLC (Encapsulation HDLC).
12
Chapter 15: WAN Introduction
CertPrs8 / CCNA Cisco Certified Network Associate Study Guide / Deal / 2229...
... 3
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
WAN Technologies
➤ ISDN
➤ PPP
➤ X.25
➤ Frame Relay
➤ ATM
Due the to high cost of WANs, Cisco introduced Dial on Demand Routing (DDR)
to provide a WAN connectivity only when ... Recognizing key WAN terms for ISDN, Frame Relay, X.25,
ATM, and leased-line protocols
✓ Using common commands to view the status of
WAN links
7
○○○○○○○○○○○○○○○○○○○○○○○...
... device,
2
Chapter 15: WAN Introduction
CertPrs8 / CCNA Cisco Certified Network Associate Study Guide / Deal / 222934-9 / Chapter 15
The most important factor
in choosing a WAN service is cost.
It ... layers are up and that the
encapsulation is set to HDLC (Encapsulation HDLC).
12
Chapter 15: WAN Introduction
CertPrs8 / CCNA Cisco Certified Network Associate Study Guide / Deal / 2229...